US PATENT SUBCLASS 81 / 3.4
.~ Gripping type

Current as of: June, 1999
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81 /   HD   TOOLS

3.07  DF  RECEPTACLE CLOSURE REMOVER {10}
3.4.~ Gripping type {4}
3.41  DF  .~.~> Finger grapple type
3.42  DF  .~.~> With reciprocating closure-engaging
3.43  DF  .~.~> With deformable strip-tightening means
3.44  DF  .~.~> With pivoted closure-engaging parts

DEFINITION

Classification: 81/3.4

(under subclass 3.25) Removers not provided for in the subclasses indented hereunder, (1) having means to grasp the closure, or (2) comprising means to grasp the receptacle to hold it during the removal of the closure.

(1) Note. For pliers or tongs of general application see this class, subclasses 300+.

(2) Note. For grapples in general, see Class 294, Handling: Hand and Hoist-Line Implements, subclasses 27.1+ and 86.4+.

SEE OR SEARCH THIS CLASS, SUBCLASS:

3.31, and 3.32, for wall mounted closure removers having

receptacle grasping means, and subclass 3.39.

3.46, for tong or plier-like devices for prying off receptacle closures. SEE OR SEARCH CLASS

29, Metal Working,

222+, for piston ring contractors for compressing piston rings around a piston and for contracting single piston rings and holding them contracted for the reception of a mandrel holder.